Fix Fault Jcb 3cx

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We have 132 questions about fixing 'jcb 3cx'

JCB 3CX won't rev?

Hi, my 1991 3CX sitemaster does not get to max revs. For the first 2-3 minutes after starting it is ok but then revs slow down. I have cleaned out fuel tank, replaced fuel filter, engine oil & filter, ... more


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Jcb 3cx?

1999 jcb 3cx wont start, starter is engaging with flywheel because I can see fan move when attempting to start the engine, but there is resistance somewhere as it will not crank the engine, the batter ... more


Jcb 3cx?

Hi i have a jcb 3cx with perkins engine 1984 When cold the steering is ok but when warm its hard and lumpy I've had a new steering pump and new orbital steering valve but its still can anyone help ple ... more


jcb 3 cx back hoe?

jcb 3 cx back hoe? Hi i have a old JCB 3CX 1985 and i have a problem with the back hoe sitting in the cab facing the back the back hoe will move from right to left but not left to right it will m ... more


Jcb ram seals?

1986 3cx. I need to re seal the 4in1 rams. I am told there is a locking pin which has to be removed in order to dismantle. I can't see anything in the cap, so I assume is to do with the piston. Can ... more


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JCB 1990 3CX not moving forward/backward?

Hi, I have recently bought a 1990 JCB 3CX without Gearbox and restored it with the gearbox and all other necessary parts, The engine works fine and hydraulic system is also working good. But when ... more


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Jcb 3cx transmission?

"Hi I have a 3cx using today until I parked it up..only to see transmission fluid pouring from bell housing and engine..machine would not move, fluid gone from box resovior..is converter gone? Etc..


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jcb 3cx?

Project 8, side dash model. Rev. counter not working. Is it cable drive or electronic? If electronic, what is the likely cause?


Tlb dont what to move forward or backwords?

Hallo there I have a jcb 3cx the tlb doesn't want to go in reverse gear the reverse hooter just make ongoing noise and if you shift it in 1st gear it go forward and stop again and doesn't want to move ... more


removal of jacking legs and ram on jcb 3cx 1986?

how do you remove the foot plate,leg and ram on a 3cx sitemaster jacking leg h reg 1986ish.ive taken the securing bolt out but the pin wont knock out?


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my jcb 3CX 2003 model looses power and fails to push especial when the engi?

my jcb 3CX 2003 model looses power and fails to push especial when the engine. what could be the problem?


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loss of drive?

have jcb 3cx all elements work fine but have a problem with drive works ok with good power for about 10/15 min then complete loss of drive leave to cool and will work again for 10 min or so . not sur ... more